Hybrid pre-amplifier with AM-FM tuner/USB/dual wireless mic with presets and a USB plug on the front so you can play all your favorite MP3 files from a memory stick. This is perfect for karaoke or any event where your voice needs to be heard.This rack-mountable hybrid preamp has a lot going for it. 3000 W peak power, 2 RCA inputs (one dedicated for phono input), two mic inputs, and two outputs, one dedicated for your power amplifier, the other for a subwoofer.